/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package control;

import database.database;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Erdiansyah
 */
public class Logout extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        database db = new database();
        try {
            HttpSession session = request.getSession();
            db.createConnection();
            db.setLogout(session.getAttribute("loginuser").toString());
            db.closeConnection();
            memory.Container cont = (memory.Container) getServletContext().getAttribute("cont");
            cont.removeUserFromOnlineUser(cont.getOnlineUser(session.getAttribute("loginuser").toString()));
            session.invalidate();
            response.sendRedirect(request.getContextPath());

            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet Logout</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet Logout at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
            */
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(Logout.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SQLException ex) {
            Logger.getLogger(Logout.class.getName()).log(Level.SEVERE, null, ex);
        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
